/*
 * Copyright 2018 JBoss Inc
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.apiman.manager.api.es.util;

import java.io.IOException;

@SuppressWarnings("nls")
class ExistsFilterBuilder extends AbstractQueryBuilder {

    private String fieldName;

    /**
     * Constructor.
     * @param fieldName field name
     */
    public ExistsFilterBuilder(String fieldName) {
        this.fieldName = fieldName;
    }

    /**
     * @see io.apiman.manager.api.es.util.AbstractQueryBuilder#doXContent(io.apiman.manager.api.es.util.XContentBuilder)
     */
    @Override
    protected void doXContent(XContentBuilder builder) throws IOException {
        builder.startObject("exists");
        builder.field("field", fieldName);
        builder.endObject();
    }

}
